阶段卖: 90;

趋势: 3*SMA((CLOSE-LLV(LOW,27,M1,))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1);

底部: 10;

买入警戒: IF(趋势<=10,50,0);

买入信号: IF(CROSS(趋势,底部),100,0);

卖出警戒: IF(趋势>=90,50,100)